Australian shares drop as Trump's tariffs target copper

An ASX indicator board (file image)
The ASX's mining sector was the worst-performing, but goldminers fared far worse than copper miners. -AAP Image

The Australian share market has lost ground as Donald Trump expands his trade war with steep new tariffs on copper and pharmaceuticals.

The benchmark S&P/ASX200 index on Wednesday finished 52.1 points lower at 8,538.6, a loss of 0.61 per cent, while the broader All Ordinaries fell 50.9 points, or 0.58 per cent, to 8,777.8.

The Australian dollar was buying 65.20 US cents, from 65.43 US cents at the close of business on Tuesday.